diff options
Diffstat (limited to 'third_party/harfbuzz/src/harfbuzz-buffer-private.h')
| -rw-r--r-- | third_party/harfbuzz/src/harfbuzz-buffer-private.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/third_party/harfbuzz/src/harfbuzz-buffer-private.h b/third_party/harfbuzz/src/harfbuzz-buffer-private.h new file mode 100644 index 0000000..5065f2e --- /dev/null +++ b/third_party/harfbuzz/src/harfbuzz-buffer-private.h @@ -0,0 +1,107 @@ +/* + * Copyright (C) 1998-2004 David Turner and Werner Lemberg + * Copyright (C) 2004,2007 Red Hat, Inc. + * + * This is part of HarfBuzz, an OpenType Layout engine library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Owen Taylor, Behdad Esfahbod + */ + +#ifndef HARFBUZZ_BUFFER_PRIVATE_H +#define HARFBUZZ_BUFFER_PRIVATE_H + +#include "harfbuzz-impl.h" +#include "harfbuzz-buffer.h" + +HB_BEGIN_HEADER + +#define HB_GLYPH_PROPERTIES_UNKNOWN 0xFFFF + +HB_INTERNAL void +_hb_buffer_swap( HB_Buffer buffer ); + +HB_INTERNAL void +_hb_buffer_clear_output( HB_Buffer buffer ); + +HB_INTERNAL HB_Error +_hb_buffer_clear_positions( HB_Buffer buffer ); + +HB_INTERNAL HB_Error +_hb_buffer_add_output_glyphs( HB_Buffer buffer, + HB_UShort num_in, + HB_UShort num_out, + HB_UShort *glyph_data, + HB_UShort component, + HB_UShort ligID ); + +HB_INTERNAL HB_Error +_hb_buffer_add_output_glyph ( HB_Buffer buffer, + HB_UInt glyph_index, + HB_UShort component, + HB_UShort ligID ); + +HB_INTERNAL HB_Error +_hb_buffer_copy_output_glyph ( HB_Buffer buffer ); + +HB_INTERNAL HB_Error +_hb_buffer_replace_output_glyph ( HB_Buffer buffer, + HB_UInt glyph_index, + HB_Bool inplace ); + +HB_INTERNAL HB_UShort +_hb_buffer_allocate_ligid( HB_Buffer buffer ); + + +/* convenience macros */ + +#define IN_GLYPH( pos ) (buffer->in_string[(pos)].gindex) +#define IN_ITEM( pos ) (&buffer->in_string[(pos)]) +#define IN_CURGLYPH() (buffer->in_string[buffer->in_pos].gindex) +#define IN_CURITEM() (&buffer->in_string[buffer->in_pos]) +#define IN_PROPERTIES( pos ) (buffer->in_string[(pos)].properties) +#define IN_LIGID( pos ) (buffer->in_string[(pos)].ligID) +#define IN_COMPONENT( pos ) (buffer->in_string[(pos)].component) +#define POSITION( pos ) (&buffer->positions[(pos)]) +#define OUT_GLYPH( pos ) (buffer->out_string[(pos)].gindex) +#define OUT_ITEM( pos ) (&buffer->out_string[(pos)]) + +#define CHECK_Property( gdef, index, flags, property ) \ + ( ( error = _HB_GDEF_Check_Property( (gdef), (index), (flags), \ + (property) ) ) != HB_Err_Ok ) + +#define ADD_String( buffer, num_in, num_out, glyph_data, component, ligID ) \ + ( ( error = _hb_buffer_add_output_glyphs( (buffer), \ + (num_in), (num_out), \ + (glyph_data), (component), (ligID) \ + ) ) != HB_Err_Ok ) +#define ADD_Glyph( buffer, glyph_index, component, ligID ) \ + ( ( error = _hb_buffer_add_output_glyph( (buffer), \ + (glyph_index), (component), (ligID) \ + ) ) != HB_Err_Ok ) +#define REPLACE_Glyph( buffer, glyph_index, nesting_level ) \ + ( ( error = _hb_buffer_replace_output_glyph( (buffer), (glyph_index), \ + (nesting_level) == 1 ) ) != HB_Err_Ok ) +#define COPY_Glyph( buffer ) \ + ( (error = _hb_buffer_copy_output_glyph ( buffer ) ) != HB_Err_Ok ) + +HB_END_HEADER + +#endif /* HARFBUZZ_BUFFER_PRIVATE_H */ |